[Qgis-user] Fwd: Import and convert points from Google Maps

Tue Feb 21 00:48:06 PST 2017

Maybe your reply included the attachments from Renato? Don't know...

I'm often surprised (and frustrated) when my emails take hours before 
they show up on the list. I quit adding attachments which should help.

All the best,
Raymond

On 21-02-17 09:39, Árni Geirsson wrote:
> Raymond; I did answer to the list but I got a reply saying that the
> message was held pending moderator approval because of its size (over
> 100kB). I was surprised because I am not aware of anything that should
> inflate it to that size.
> I wonder if this reply goes through..... - I'm selecting text-only
> mode to make sure.
>
> Arni
>
> Árni Geirsson
> Alta ehf // +354 582 5000 // +354 897 9549
>
>
> On 21 February 2017 at 07:35, Raymond Nijssen <r.nijssen at terglobo.nl> wrote:
>> Glad our answers helped you Renato!
>>
>> @Arni, please reply to this list so everyone can read your answer. Thanks!
>>
>> Raymond
>>
>>
>> On 21-02-17 01:02, Renato Saboya wrote:
>>>
>>> Thank you so much for the answers!
>>>
>>> Indeed, selecting EPSG:4326 did the trick. So simple! I could swear I'd
>>> tried it before, but I must have done something wrong.
>>>
>>> This community is fantastic! I hope I can reciprocate by helping others
>>> like I got helped today.
>>>
>>> Regards,
>>> *Renato T. de Saboya*
>>> Universidade Federal de Santa Catarina
>>> Programa de Pós-Graduação em Arquitetura e Urbanismo (PósArq)
>>> Urbanidades <http://urbanidades.arq.br> | Infoarq
>>> <http://infoarq.arq.ufsc.br/> | PósArq
>>> <http://posarq.ufsc.br/renato-t-de-saboya/> | Academia.edu
>>> <http://ufsc.academia.edu/RenatoSaboya> | ResearchGate
>>> <http://www.researchgate.net/profile/Renato_Saboya>
>>>
>>>
>>> On 20 February 2017 at 17:56, Árni Geirsson <arni at alta.is
>>> <mailto:arni at alta.is>> wrote:
>>>
>>>     Hi Renato
>>>     The coordinates that you have picked up are probably in WGS84
>>>     (EPSG:4326), those are the usual lat, long coordinates. However, the
>>>     image tiles are in the 3857 coordinate system. I would suggest that
>>>     you choose the most appropriate local coordinate system for your
>>>     project and then assign EPSG:4326 to your new layer, making sure
>>>     that "on the fly" coordinate conversion is selected.
>>>
>>>     Arni
>>>
>>>
>>>     Árni Geirsson
>>>     *Alta ehf* // +354 582 5000 <tel:+354%20582%205000> // +354 897 9549
>>>     <tel:+354%20897%209549>
>>>
>>>     On 20 February 2017 at 13:26, Renato Saboya <rtsaboya at gmail.com
>>>     <mailto:rtsaboya at gmail.com>> wrote:
>>>
>>>         Dear all:
>>>         I am trying to generate a point shapefile from lat/long
>>>         coordinates obtained from Google Maps' API. They were generated
>>>         by a WordPress plugin (Gravity Forms Geolocation Add-on) and
>>>         processed in R to generate a new CSV file with the latitude and
>>>         longitude in Y and X columns, respectively. I tried to import
>>>         them to QGIS using "Add delimited text layer..." and EPSG 3857,
>>>         which I found online to be the EPSG of Google Maps. I now want
>>>         to convert this layer / shape to UTM in order to integrate it
>>>         with my other layers.
>>>
>>>         The points are created correctly, apparently. When I check their
>>>         coordinates and compare to the ranges of values in Google Maps,
>>>         they seem ok.
>>>
>>>
>>>
>>>         However, if I try to load another shapefile of the same
>>>         location, it falls very far from the points. Similarly, If I try
>>>         to load a map from QuickMapServices, it doesn't work:
>>>         "/QuickMapServices: Failed to download all 1 files. - Google
>>>         Satellite/".
>>>
>>>         When I save the point shape to UTM (EPSG 31982) to check the
>>>         coordinates, the values are not coherent with other shapes of
>>>         the same location:
>>>
>>>         Converted coordinates:
>>>
>>>
>>>         What the coordinates should look like (approximate values):
>>>
>>>         I also tried inverting the values of lat / long to x and y, to
>>>         no avail.
>>>
>>>         Any thoughts would be highly appreciated!
>>>         Thanks in advance.
>>>         Regards,
>>>         *Renato T. de Saboya*
>>>         Universidade Federal de Santa Catarina
>>>         Programa de Pós-Graduação em Arquitetura e Urbanismo (PósArq)
>>>         Urbanidades <http://urbanidades.arq.br> | Infoarq
>>>         <http://infoarq.arq.ufsc.br/> | PósArq
>>>         <http://posarq.ufsc.br/renato-t-de-saboya/> | Academia.edu
>>>         <http://ufsc.academia.edu/RenatoSaboya> | ResearchGate
>>>         <http://www.researchgate.net/profile/Renato_Saboya>
>>>
>>>
>>>
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>>
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5223 BJ 's-Hertogenbosch
06 25 31 49 83